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      1 /*
      2  * Copyright (C) 2013 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef LATINIME_SCORING_H
     18 #define LATINIME_SCORING_H
     19 
     20 #include "defines.h"
     21 
     22 namespace latinime {
     23 
     24 class DicNode;
     25 class DicTraverseSession;
     26 
     27 // This class basically tweaks suggestions and distances apart from CompoundDistance
     28 class Scoring {
     29  public:
     30     virtual int calculateFinalScore(const float compoundDistance, const int inputSize,
     31             const bool forceCommit) const = 0;
     32     virtual bool getMostProbableString(const DicTraverseSession *const traverseSession,
     33             const int terminalSize, const float languageWeight, int *const outputCodePoints,
     34             int *const type, int *const freq) const = 0;
     35     virtual void safetyNetForMostProbableString(const int terminalSize,
     36             const int maxScore, int *const outputCodePoints, int *const frequencies) const = 0;
     37     // TODO: Make more generic
     38     virtual void searchWordWithDoubleLetter(DicNode *terminals, const int terminalSize,
     39             int *doubleLetterTerminalIndex, DoubleLetterLevel *doubleLetterLevel) const = 0;
     40     virtual float getAdjustedLanguageWeight(DicTraverseSession *const traverseSession,
     41             DicNode *const terminals, const int size) const = 0;
     42     virtual float getDoubleLetterDemotionDistanceCost(const int terminalIndex,
     43             const int doubleLetterTerminalIndex,
     44             const DoubleLetterLevel doubleLetterLevel) const = 0;
     45     virtual bool doesAutoCorrectValidWord() const = 0;
     46 
     47  protected:
     48     Scoring() {}
     49     virtual ~Scoring() {}
     50 
     51  private:
     52     DISALLOW_COPY_AND_ASSIGN(Scoring);
     53 };
     54 } // namespace latinime
     55 #endif // LATINIME_SCORING_H
     56